Finding the Fourth Proportional to 2,487.76, 3,709.69 and 2,465.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487.76 : 3,709.69 = 2,465.55 : x
2. Step 2: Convert to fraction form
   2,487.76/3,709.69 = 2,465.55/x
3. Step 3: Cross multiply
   2,487.76x = 3,709.69 × 2,465.55
4. Step 4: Simplify right side
   2,487.76x = 9,146,420.02
5. Step 5: Solve for x
   x = 9,146,420.02/2,487.76
6. Step 6: Final answer
   x = 3,676.57